20294624

素因数分解:

$2^5\times 7^3\times {\mathrm{43}}^2$

素因数の和:117

約数の個数: 72

約数和(自身を含む): 47703600

約数和(自身を除く): 27408976

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 43, 49, 56, 86, 98, 112, 172, 196, 224, 301, 343, 344, 392, 602, 686, 688, 784, 1204, 1372, 1376, 1568, 1849, 2107, 2408, 2744, 3698, 4214, 4816, 5488, 7396, 8428, 9632, 10976, 12943, 14749, 14792, 16856, 25886, 29498, 29584, 33712, 51772, 58996, 59168, 67424, 90601, 103544, 117992, 181202, 207088, 235984, 362404, 414176, 471968, 634207, 724808, 1268414, 1449616, 2536828, 2899232, 5073656, 10147312, 20294624]

約数ペア:

[(1, 20294624), (2, 10147312), (4, 5073656), (7, 2899232), (8, 2536828), (14, 1449616), (16, 1268414), (28, 724808), (32, 634207), (43, 471968), (49, 414176), (56, 362404), (86, 235984), (98, 207088), (112, 181202), (172, 117992), (196, 103544), (224, 90601), (301, 67424), (343, 59168), (344, 58996), (392, 51772), (602, 33712), (686, 29584), (688, 29498), (784, 25886), (1204, 16856), (1372, 14792), (1376, 14749), (1568, 12943), (1849, 10976), (2107, 9632), (2408, 8428), (2744, 7396), (3698, 5488), (4214, 4816)]